MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with the primary one directing to a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a search query, suggesting a lure. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=fur+elise+music+sheet+violin
- http://kawufu.hisinsouthafrica.com/uploads/1/3/0/7/130776436/524582.pdf
- http://files.almamusicandartsfest.org/uploads/1/3/1/0/131069789/710708.pdf
- http://files.suewestcott.com/uploads/1/3/1/3/131383949/jexarulor_xugonajuz_woxidewetoba_xofasubonune.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0447/6724/8535/files/46244032499.pdf
- https://cdn.shopify.com/s/files/1/0449/2325/6999/files/37000705033.pdf
- https://cdn.shopify.com/s/files/1/0448/0460/4066/files/swagger_souls_face_reveal.pdf
- https://cdn.shopify.com/s/files/1/0440/3894/6981/files/fesud.pdf
- https://cdn.shopify.com/s/files/1/0437/1460/9305/files/format_factory_for_pc_old_version.pdf
- https://cdn.shopify.com/s/files/1/0434/2788/9302/files/xokufajubufutaseno.pdf
- https://cdn.shopify.com/s/files/1/0432/7086/5052/files/public_speaking_topics.pdf
- https://cdn.shopify.com/s/files/1/0437/3122/2682/files/cdc_pneumonia_guidelines_2019.pdf
- https://cdn.shopify.com/s/files/1/0437/8070/2366/files/80392071974.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004b91.bin5cd7f17469a4ab78c26ae077f5b3a87bea210e9aa5037c26de63846c2f21306e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B91 | 4844 bytes |
font_01_sfnt_off00005beb.bin54670a8ac4ad8cea0421a73bbd6fda852cf04fe146e4137980a3e1cd0a37d075 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BEB | 13288 bytes |
font_02_sfnt_off000086ad.bin84650fe671c70ac66f3af0994468c9b9feb42d01905b0f030d5781e095ef8e52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86AD | 16100 bytes |
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